Skip to main content

Big Sky CDP, Montana

Official LSAD Designation: Big Sky CDP • Census GEOID: 3006325 • Gallatin County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Big Sky CDP.

Reference Weather Station: BIG SKY 2WNW, MT US (ID: USC00240775) • Located 1.5 miles from community center • Elevation: 2,008.6 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 29.8° 8.5° 19.2° 1.83"
February 34.2° 8.8° 21.5° 1.51"
March 42.0° 16.6° 29.3° 1.88"
April 48.0° 22.5° 35.2° 2.42"
May 58.1° 30.0° 44.1° 2.83"
June 66.8° 36.0° 51.4° 3.22"
July 77.6° 41.3° 59.5° 1.25"
August 76.8° 39.2° 58.0° 1.56"
September 68.1° 33.4° 50.8° 1.70"
October 52.9° 24.7° 38.8° 1.77"
November 36.9° 15.6° 26.2° 1.60"
December 27.5° 8.5° 18.0° 1.74"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station BIG SKY 2WNW, MT US (ID: USC00240775) • 1.5 miles from community center .

This is the same reference station used for monthly normals.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at BIG SKY 2WNW, MT US Year is the horizontal axis. Annual mean temperature in degrees Fahrenheit is the vertical axis. Dots show recorded years; lines connect consecutive available years only. Missing years are gaps, with no interpolation. Optional dashed lines show annual mean of daily highs and lows. Exact values appear in the data table below. 19.0 28.8 38.5 48.3 58.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 37.4°F 2011: Annual mean 36.5°F 2012: Annual mean 39.6°F 2013: Annual mean 37.2°F 2014: Annual mean 37.6°F 2010: Annual mean of daily highs 51.4°F 2011: Annual mean of daily highs 50.1°F 2012: Annual mean of daily highs 54.2°F 2013: Annual mean of daily highs 51.0°F 2014: Annual mean of daily highs 51.4°F 2010: Annual mean of daily lows 23.3°F 2011: Annual mean of daily lows 22.9°F 2012: Annual mean of daily lows 25.0°F 2013: Annual mean of daily lows 23.3°F 2014: Annual mean of daily lows 23.8°F

Source: NOAA NCEI Global Summary of the Year.

Annual temperature data table (°F)
Annual station temperatures, 2010–2025. Unavailable means no reported value.
Year Annual mean (°F) Annual mean of daily highs (°F) Annual mean of daily lows (°F)
2010 37.4 51.4 23.3
2011 36.5 50.1 22.9
2012 39.6 54.2 25.0
2013 37.2 51.0 23.3
2014 37.6 51.4 23.8
2015 Unavailable Unavailable Unavailable
2016 Unavailable Unavailable Unavailable
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable Unavailable
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
2021 Unavailable Unavailable Unavailable
2022 Unavailable Unavailable Unavailable
2023 Unavailable Unavailable Unavailable
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.